verb

cause (a wound, injury, or person) to become sound or healthy again.

his concern is to heal sick people

make better,make well,cure,treat successfully,restore to health,get someone back on their feet,make good,mend,remedy,restore,curative,therapeutic,medicinal,remedial,curing,corrective,reparative,restorative,tonic,health-giving,healthful,beneficial,salubrious,sanative,analeptic,iatric